While theyre fairly powerful, its their effect on perceived barrier-to-entry that really posed a problem because casual players watching Commander games in passing could reasonably assume that they needed hundreds (now thousands) of dollars in Power-9 mana as table stakes, just to join the format
As such, it's very exciting when we get a new outlier
You may have heard about something called a "mana curve." And yes, this is an important topic in Draft
A single-player campaign could very well be added in the future
As if that werent enough, you can also proliferate if a Phyrexian dies, which is excellent with all the many Incubator tokens, planeswalkers, or creatures with +1/+1 counters
If it wasnt originally printed in Tempest , I wouldnt think twice if I saw this first printed in a Commander set or something similar